PET protective film cutting equipment

Abstract

The utility model belongs to the technical field of PET protective films, and discloses PET protective film cutting equipment. The PET protective film cutting equipment comprises an operation plate, a fixed plate is fixedly connected to the upper surface of the operation plate, a first movable plate and a second movable plate are movably connected to the positions, located on the left side and the right side of the fixed plate, of the upper surface of the operation plate correspondingly, the first movable plate and the second movable plate are fixedly connected through a connecting rod, and the connecting rod penetrates through the fixed plate; the side, close to the fixed plate, of the second movable plate is fixedly connected with a cutter. According to the PET protective film cutting equipment, the second movable plate is driven by the driving assembly to move towards the fixed plate, so that a pressing plate is firstly in contact with a protective film to fix the protective film from the upper side and the lower side, the cutting accuracy is improved, then the second movable plate continues to move to enable a cutting knife to conduct cutting, and therefore the fixing and cutting procedures are rapidly completed; the production rate is accelerated, and the problems in the background technology are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of PET protective films, in particular to a PET protective film cutting device. Background Art

[0002] PET protective film is a common protective coating material, usually used to protect the surfaces of electronic products, mobile phone screens, LCD screens, camera lenses, etc. to prevent scratches, dirt and fingerprints. PET protective film has the characteristics of high transparency, moderate hardness, strong wear resistance, easy installation and replacement, so it is widely used in consumer electronics and industrial equipment.

[0003] After production, PET protective film needs to be cut into the required size to adapt to different fields of use. During the cutting process, a limit device is usually used to fix it. After cutting, it is released for the next fixed cutting process. Not only is the process cumbersome and affects the processing rate, but the fixation is also unstable, causing the PET protective film to become loose during the cutting process, which in turn affects the cutting accuracy. Therefore, we designed a PET protective film cutting device. Utility Model Content

[0004] The utility model aims to provide a PET protective film cutting device, which can not only achieve fast fixing and cutting to ensure the stability of the PET protective film during the cutting process, but also achieve continuous cutting to speed up the production rate, thus solving the problems raised in the background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a PET protective film cutting device includes an operating panel, the upper surface of the operating panel is fixedly connected to a fixed plate, the upper surface of the operating panel and the left and right sides of the fixed plate are respectively movably connected to a first movable plate and a second movable plate, the first movable plate and the second movable plate are fixedly connected by a connecting rod, and the connecting rod passes through the fixed plate, a cutting knife is fixedly connected to a side of the second movable plate close to the fixed plate, a pressing plate is also fixedly connected to a side of the second movable plate close to the fixed plate, a sliding rod is fixedly connected to a side of the pressing plate close to the second movable plate, and the sliding rod passes through the second movable plate, a compression spring is sleeved on the outer side of the sliding rod, and both ends of the compression spring are respectively fixedly connected to the pressing plate and the second movable plate;

[0006] The front and rear sides of the operating panel are fixedly connected with vertical panels, and transmission rollers are movably connected between the vertical panels. A servo motor is fixedly installed on the front side of the vertical panel, and the output end of the servo motor passes through the vertical panel and is fixedly connected to the transmission roller. A driving assembly is provided on the upper surface of the operating panel and located on the left side of the first movable panel, and a discharge port is provided on the operating panel and located between the second movable panel and the fixed panel.

[0007] Through the above technical scheme, the PET protective film of the present application is transmitted to the position between the fixed plate and the second movable plate through the transmission rollers, and the first movable plate and the second movable plate are driven to move toward the fixed plate by the driving assembly. At this time, the pressure plate first contacts the PET protective film and cooperates with the fixed plate to fix it. As the second movable plate continues to move, the cutting knife contacts the PET protective film for cutting. At this time, the pressure plate is acted upon by the compression spring and is tightly attached to the fixed plate to limit the PET protective film, thereby preventing the PET protective film from loosening during the cutting process and affecting the cutting accuracy.

[0008] Preferably, there are two pressing plates, which are respectively located at the upper and lower sides of the cutting knife, and the distance between the pressing plate and the fixing plate is smaller than the distance between the cutting knife and the fixing plate.

[0009] Through the above technical scheme, the pressing plate of the present application fixes the PET protective film from the upper and lower sides to ensure the stability of cutting. At the same time, the distance between the pressing plate and the fixed plate is smaller than the distance between the cutting knife and the fixed plate to ensure that the pressing plate first contacts the PET protective film and fixes it on the fixed plate, and then the cutting knife performs cutting.

[0010] Preferably, the driving assembly includes: a splint, a rotating rod, a transmission plate, a driving motor, a turntable and an insertion rod, the left side of the first movable plate is fixedly connected with a splint, a rotating rod is movably connected between the splints, the outer side of the rotating rod is sleeved with a transmission plate, the upper surface of the operating plate is fixedly mounted with a driving motor, the output end of the driving motor is fixedly connected with a turntable, the side of the turntable close to the transmission plate is fixedly connected with an insertion rod, and the transmission plate is sleeved on the outer side of the insertion rod.

[0011] Through the above technical solution, the driving motor of the present application rotates to drive the insertion rod to rotate. At this time, the transmission plate follows the movement of the insertion rod to drive the first movable plate and the second movable plate to move, so that the limiting and cutting actions are performed simultaneously, thereby accelerating the production rate.

[0012] Preferably, a limiting block is sleeved on the outer side of the insertion rod and contacts the transmission plate, and the diameter of the rotating disk is matched with the distance between the second movable plate and the fixed plate.

[0013] Through the above technical solution, the limit block on the outside of the insertion rod of the present application limits the transmission plate to prevent the transmission plate from detaching from the insertion rod and causing an impact. The diameter design of the turntable allows it to drive the pressure plate and the cutting knife to complete the entire cutting and limiting process during one rotation, and then proceed to the next cutting process as it rotates.

[0014] Preferably, a limiting ring is sleeved on the outer side of the transmission roller, the number of the transmission rollers is two, and the discharge port is located between the two transmission rollers.

[0015] Through the above technical solution, the present application limits the transmitted PET protective film through a limiting ring to prevent displacement, and then the cut finished product falls through the discharge port for collection.

[0016] Preferably, a cutting knife groove is provided on one side of the fixed plate close to the second movable plate and at a position corresponding to the cutting knife, and the shape of the cutting knife groove is adapted to the cutting knife.

[0017] Through the above technical solution, the cutting groove of the present application can enable the cutting knife to achieve complete cutting and prevent the influence caused by the conjoined phenomenon.

[0018] By adopting the above technical solution, the beneficial effects of the utility model are:

[0019] 1. The PET protective film cutting equipment drives the second movable plate to move toward the fixed plate through the driving component, so that the pressing plate first contacts the protective film to fix the protective film from the upper and lower sides, thereby ensuring the cutting accuracy. Then, as the second movable plate continues to move, the cutting knife performs cutting, thereby quickly completing the fixing and cutting processes, speeding up the production rate, and solving the problems raised in the background technology.

[0020] 2. The PET protective film cutting equipment can achieve complete cutting by setting the cutting knife groove to prevent the phenomenon of conjoined parts. With the continuous transmission of the transmission roller and the rotation of the turntable, continuous production can be achieved, further increasing the production speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0022] Figure 2 It is a partial schematic diagram of the utility model;

[0023] Figure 3 This is a rear view of the utility model;

[0024] Figure 4 For this utility model Figure 2 Cross-section at AA.

[0025] In the figure: 1. operating panel; 2. fixed panel; 3. first movable panel; 4. second movable panel; 5. connecting rod; 6. cutting knife; 7. pressing plate; 8. sliding rod; 9. compression spring; 10. vertical panel; 11. transmission roller; 12. servo motor; 13. driving assembly; 131. clamping plate; 132. rotating rod; 133. transmission plate; 134. driving motor; 135. rotating disk; 136. inserting rod; 14. discharging port; 15. limiting ring; 16. cutting knife groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4 The utility model provides a technical solution: a PET protective film cutting device, comprising an operating panel 1, a fixed plate 2 is fixedly connected to the upper surface of the operating panel 1, a first movable plate 3 and a second movable plate 4 are movably connected to the upper surface of the operating panel 1 and located on the left and right sides of the fixed plate 2, the first movable plate 3 and the second movable plate 4 are fixedly connected by a connecting rod 5, and the connecting rod 5 passes through the fixed plate 2, a cutting knife 6 is fixedly connected to the side of the second movable plate 4 close to the fixed plate 2, a pressing plate 7 is also fixedly connected to the side of the second movable plate 4 close to the fixed plate 2, a sliding rod 8 is fixedly connected to the side of the pressing plate 7 close to the second movable plate 4, and the sliding rod 8 passes through the second movable plate 4, a compression spring 9 is sleeved on the outer side of the sliding rod 8, and the two ends of the compression spring 9 are fixedly connected to the pressing plate 7 and the second movable plate 4 respectively;

[0028] The front and rear sides of the operating panel 1 are fixedly connected with vertical panels 10, and transmission rollers 11 are movably connected between the vertical panels 10. A servo motor 12 is fixedly installed on the front of the vertical panels 10, and the output end of the servo motor 12 passes through the vertical panels 10 and is fixedly connected to the transmission roller 11. A driving assembly 13 is provided on the upper surface of the operating panel 1 and located on the left side of the first movable panel 3. A discharge port 14 is provided on the operating panel 1 and located between the second movable panel 4 and the fixed panel 2.

[0029] Through the above technical scheme, the PET protective film of the present application is transmitted to the position between the fixed plate 2 and the second movable plate 4 through the transmission rollers 11, and the first movable plate 3 and the second movable plate 4 are driven by the driving component 13 to move toward the fixed plate 2. At this time, the pressing plate 7 first contacts the PET protective film and cooperates with the fixed plate 2 to fix it. As the second movable plate 4 continues to move, the cutting knife 6 contacts the PET protective film for cutting. At this time, the pressing plate 7 is acted upon by the compression spring 9 to tightly adhere to the fixed plate 2 to limit the PET protective film, thereby preventing the PET protective film from loosening during the cutting process and affecting the cutting accuracy.

[0030] There are two pressing plates 7 , which are respectively located at the upper and lower sides of the cutting blade 6 . The distance between the pressing plate 7 and the fixing plate 2 is smaller than the distance between the cutting blade 6 and the fixing plate 2 .

[0031] Through the above technical scheme, the pressing plate 7 of the present application fixes the PET protective film from the upper and lower sides to ensure the stability of cutting. At the same time, the distance between the pressing plate 7 and the fixed plate 2 is smaller than the distance between the cutting knife 6 and the fixed plate 2 to ensure that the pressing plate 7 first contacts the PET protective film and fixes it on the fixed plate 2, and then the cutting knife 6 performs cutting.

[0032] The driving assembly 13 includes: a clamping plate 131, a rotating rod 132, a transmission plate 133, a driving motor 134, a rotating disk 135 and an insertion rod 136. The left side of the first movable plate 3 is fixedly connected with the clamping plate 131, the rotating rod 132 is movably connected between the clamping plates 131, the outer side of the rotating rod 132 is sleeved with the transmission plate 133, the upper surface of the operating panel 1 is fixedly installed with the driving motor 134, the output end of the driving motor 134 is fixedly connected with the rotating disk 135, the side of the rotating disk 135 close to the transmission plate 133 is fixedly connected with the insertion rod 136, and the transmission plate 133 is sleeved on the outer side of the insertion rod 136.

[0033] Through the above technical solution, the driving motor 134 of the present application rotates to drive the insertion rod 136 to rotate. At this time, the transmission plate 133 follows the movement of the insertion rod 136 to drive the first movable plate 3 and the second movable plate 4 to move, so that the limiting and cutting actions are performed simultaneously, thereby accelerating the production rate.

[0034] The outer side of the insert rod 136 is also sleeved with a limit block and contacts the transmission plate 133 . The diameter of the rotating disk 135 is adapted to the distance between the second movable plate 4 and the fixed plate 2 .

[0035] Through the above technical solution, the limit block on the outside of the insertion rod 136 of the present application limits the transmission plate 133 to prevent the transmission plate 133 from detaching from the insertion rod 136 and causing an impact. The diameter design of the turntable 135 enables it to drive the pressure plate 7 and the cutting knife 6 to complete the entire cutting and limiting process during one rotation, and then proceed to the next cutting process as it rotates.

[0036] A limiting ring 15 is sleeved on the outer side of the transmission roller 11 . There are two transmission rollers 11 , and the discharge port 14 is located between the two transmission rollers 11 .

[0037] Through the above technical solution, the present application limits the transmitted PET protective film through the limiting ring 15 to prevent displacement, and then the cut finished product falls through the discharge port 14 for collection.

[0038] A cutting knife groove 16 is provided on one side of the fixed plate 2 close to the second movable plate 4 and at a position corresponding to the cutting knife 6 . The shape of the cutting knife groove 16 is adapted to the cutting knife 6 .

[0039] Through the above technical solution, the cutting groove 16 of the present application can enable the cutting knife 6 to achieve complete cutting, thereby preventing the occurrence of a conjoined body phenomenon and causing an impact.

[0040] When the PET protective film cutting equipment is working, the PET protective film is transmitted to the position between the fixed plate 2 and the second movable plate 4 through the transmission rollers 11, and the driving motor 134 is started to rotate to drive the insertion rod 136 to rotate. At this time, the transmission plate 133 follows the movement of the insertion rod 136 to drive the first movable plate 3 and the second movable plate 4 to move. At this time, the pressure plate 7 on the second movable plate 4 first contacts the PET protective film and cooperates with the fixed plate 2 to fix it. As the second movable plate 4 continues to move, the cutting knife 6 contacts the PET protective film for cutting. At this time, the pressure plate 7 is acted upon by the compression spring 9 to tightly adhere to the fixed plate 2 to limit the PET protective film. The cut product is discharged through the discharge port 14. As the turntable 135 continues to rotate, the pressure plate 7 and the cutting knife 6 are reset, and the transmission roller 11 continues to transmit the PET protective film to achieve continuous cutting production to ensure the production rate.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PET protective film cutting device, comprising an operating panel, characterized in that: The upper surface of the operating plate is fixedly connected to a fixed plate, and the upper surface of the operating plate and the left and right sides of the fixed plate are respectively movably connected with a first movable plate and a second movable plate, the first movable plate and the second movable plate are fixedly connected by a connecting rod, and the connecting rod passes through the fixed plate, a side of the second movable plate close to the fixed plate is fixedly connected to a cutting knife, a side of the second movable plate close to the fixed plate is also fixedly connected to a pressing plate, a side of the pressing plate close to the second movable plate is fixedly connected to a sliding rod, and the sliding rod passes through the second movable plate, a compression spring is sleeved on the outer side of the sliding rod, and both ends of the compression spring are respectively fixedly connected to the pressing plate and the second movable plate; The front and rear sides of the operating panel are fixedly connected with vertical panels, and transmission rollers are movably connected between the vertical panels. A servo motor is fixedly installed on the front side of the vertical panel, and the output end of the servo motor passes through the vertical panel and is fixedly connected to the transmission roller. A driving assembly is provided on the upper surface of the operating panel and located on the left side of the first movable panel, and a discharge port is provided on the operating panel and located between the second movable panel and the fixed panel.

2. A PET protective film cutting device according to claim 1, characterized in that: There are two pressing plates, which are respectively located on the upper and lower sides of the cutting knife, and the distance between the pressing plate and the fixing plate is smaller than the distance between the cutting knife and the fixing plate.

3. A PET protective film cutting device according to claim 2, characterized in that: The driving assembly includes: a clamping plate, a rotating rod, a transmission plate, a driving motor, a turntable and an insertion rod. The left side of the first movable plate is fixedly connected with a clamping plate, the rotating rod is movably connected between the clamping plates, the outer side of the rotating rod is sleeved with a transmission plate, the upper surface of the operating plate is fixedly installed with a driving motor, the output end of the driving motor is fixedly connected with a turntable, the side of the turntable close to the transmission plate is fixedly connected with an insertion rod, and the transmission plate is sleeved on the outer side of the insertion rod.

4. A PET protective film cutting device according to claim 3, characterized in that: The outer side of the insertion rod is also sleeved with a limiting block and in contact with the transmission plate. The diameter of the rotating disk is adapted to the distance between the second movable plate and the fixed plate.

5. A PET protective film cutting device according to claim 4, characterized in that: The outer side of the transmission roller is sleeved with a limiting ring, the number of the transmission rollers is two, and the discharge port is located between the two transmission rollers.

6. A PET protective film cutting device according to claim 5, characterized in that: A cutting knife groove is provided on one side of the fixed plate close to the second movable plate and corresponding to the position of the cutting knife, and the shape of the cutting knife groove is adapted to the cutting knife.

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